Home / 259,245.66-388,195.53-222,045.18

Finding the Fourth Proportional to 259,245.66, 388,195.53 and 222,045.18

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Solution

The fourth proportional to 259,245.66, 388,195.53 and 222,045.18 is: 332,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,245.66 : 388,195.53 = 222,045.18 : x
  2. Step 2: Convert to fraction form
    259,245.66/388,195.53 = 222,045.18/x
  3. Step 3: Cross multiply
    259,245.66x = 388,195.53 × 222,045.18
  4. Step 4: Simplify right side
    259,245.66x = 86,196,946,334.05
  5. Step 5: Solve for x
    x = 86,196,946,334.05/259,245.66
  6. Step 6: Final answer
    x = 332,491.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.